“气”作为元范畴在中国古代哲学中形成了一套缜密的理论体系。曹丕把“气”从哲学范畴引入到了文学创作和文学批评活动中来,具有深刻的理论创新意义和美学意义。本文试从文艺创作和文学批评角度谈谈曹丕的“文气说”美学意义所在。 “Qi ” as a meta-category in ancient Chinese philosophy formed a set of meticulous theoretical system. Cao Pi introduced “Qi ” from the philosophical category to literary creation and literary criticism activities, with profound theoretical innovation and aesthetical significance. This article tries to talk about the aesthetic significance of Cao Pi ’s “Wen Zi Shu” from the angles of literature and art creation and literary criticism.